DOCSP-52035: Await update operations

Author: norareidy

source/crud/update.txt

@@ -73,7 +73,7 @@ following:
    const query = { name: "Deli Llama" };
    const update = { $set: { name: "Deli Llama", address: "3 Nassau St" }};
    const options = {};
-   myColl.updateOne(query, update, options);
+   const result = await myColl.updateOne(query, update, options);
 
 If a food truck named "Deli Llama" exists, the method call above updates
 the document in the collection. However, if there are no food trucks named
@@ -96,7 +96,7 @@ update the document, we can set ``upsert`` to ``true`` in our call to
    const query = { name: "Deli Llama" };
    const update = { $set: { name: "Deli Llama", address: "3 Nassau St" }};
    const options = { upsert: true };
-   myColl.updateOne(query, update, options);
+   const result = await myColl.updateOne(query, update, options);
 
 After you run the operation above, your collection looks similar to the
 following, even if the ``"Deli Llama"`` document did not exist in your collection